19809810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4153}}^1$

素因数の和:4219

約数の個数: 48

約数和(自身を含む): 52489944

約数和(自身を除く): 32680134

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4153, 4770, 8306, 12459, 20765, 24918, 37377, 41530, 62295, 74754, 124590, 186885, 220109, 373770, 440218, 660327, 1100545, 1320654, 1980981, 2201090, 3301635, 3961962, 6603270, 9904905, 19809810]

約数ペア:

[(1, 19809810), (2, 9904905), (3, 6603270), (5, 3961962), (6, 3301635), (9, 2201090), (10, 1980981), (15, 1320654), (18, 1100545), (30, 660327), (45, 440218), (53, 373770), (90, 220109), (106, 186885), (159, 124590), (265, 74754), (318, 62295), (477, 41530), (530, 37377), (795, 24918), (954, 20765), (1590, 12459), (2385, 8306), (4153, 4770)]